<template>
  <div style="height: 100vh;overflow: hidden;position: relative">
    <el-card class="cover" v-if="loginAdmin.id">
      <slide-verify :l="42"
                    :r="10"
                    :w="310"
                    :h="155"
                    :accuracy="6"
                    slider-text="向右滑动"
                    @success="onSuccess"
                    @fail="onFail"
                    @refresh="onRefresh">
      </slide-verify>
    </el-card>                  
    <div style="width:460px;height:360px;background-color: white;border-radius: 10px;margin: 150px auto;padding: 60px">
      <div style="margin: 20px;text-align: center;font-size: 30px;font-weight: bold;color: dodgerblue">登 录</div>
      <el-form :model="admin" :rules="rules" ref="loginForm" >
        <el-form-item prop="username">
          <el-input placeholder="请输入账号" prefix-icon="el-icon-user" size="medium" v-model="admin.username"></el-input>
        </el-form-item>

        <el-form-item prop="password">
          <el-input placeholder="请输入密码" show-password prefix-icon="el-icon-lock" size="medium" v-model="admin.password"></el-input>
        </el-form-item>

        <el-form-item>
          <el-button style="width:100%" size="medium" type="primary" @click="login">登录</el-button>
        </el-form-item>
      </el-form>

    </div>
  </div>
</template>

<script>
//没有request被导入,无法登录
import request from "@/utils/request";
import Cookies from 'js-cookie'
export default {
  name:'LOGIN',
  data(){
    return {
      loginAdmin:{

      },
      admin:{},
      //在前面有:rules进行绑定,进行判断
      rules: {
        username: [
          {required: true, message: '请输入用户名', trigger: 'blur'},
          {min:2,max:10,message: '长度在2-10个字符之间',trigger: 'blur'}
        ],
        password:[
          {required: true, message: '请输入密码', trigger: 'blur'},
          {min:2,max:10,message: '长度在2-10个字符之间',trigger: 'blur'}]
      }
    }
  },
  methods:{
    login(){
      //$refs的属性得一致才能起作用
      this.$refs['loginForm'].validate((valid) => {
        if (valid) {
          request.post('/admin/login',this.admin).then(res =>{
            if(res.code === '200'){
              this.loginAdmin = res.data //滑块组件出现
            }else{
              this.$notify.error(res.msg)
            }
          })
        }
      })
    },
    onSuccess(){//滑块验证通过后触发
      //因为index.js中设置路由守卫,此处先将admin保存,后跳转到'/'代表的首页,否则会被阻拦
      Cookies.set('admin',JSON.stringify(this.loginAdmin))
      this.$notify.success('登录成功')
      this.$router.push('/')
    },
    onFail(){
    console.log('onFail')
    },
    onRefresh() {
      console.log('refresh')
    }
  }
}

</script>

<style>
.cover {
  width: fit-content;
  background-color: white;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  z-index: 1000;
}
</style>